add upyun upload rety

scripts/lib/upyun_upload.lua

@@ -4,10 +4,16 @@ package.path = package.path .. ';<SCRIPT_PATH>/?.lua';
 
 local upyun_upload = {}
 
+local json = require("cjson")
+
 local strip_path = require("lib.strip_path")
 local Upyun = require('lib.upyun')
 
-function upyun_upload.upload(filepath, filename)
+function upyun_upload.upload(filepath, filename, retry)
+
+    if retry > 3 then
+        ngx.log(ngx.ERR, "failed to upload file : reach max retries")
+    else
         local upyun, err = Upyun:new({
             user = ngx.var.upyun_operator,
             passwd = ngx.var.upyun_password,
@@ -38,9 +44,20 @@ function upyun_upload.upload(filepath, filename)
 
         local info, err = upyun:upload_file(savePath, nil, options)
         if not info then
+
+            local error_table = json.decode(err)
+            ngx.log(ngx.ERR, '[' .. error_table["code"] .. ']')
+
+            if (error_table["code"] == 40000006)
+            then
                 ngx.status = 400
-        ngx.log(ngx.ERR, "failed to upload file : " .. err)
+                ngx.log(ngx.ERR, "Retry upload file : " .. '[' .. err .. ']')
-        return
+                upyun_upload.upload(filepath, filename, retry+1)
+            else
+                ngx.status = 400
+                ngx.log(ngx.ERR, "failed to upload file : " .. '[' .. err .. ']')
+            end
+
         else
             ngx.status = 200
             local fullpath = ngx.var.upyun_domain .. "/" .. directory .. "/" .. filename
@@ -49,4 +66,6 @@ function upyun_upload.upload(filepath, filename)
         end
     end
 
+end
+
 return upyun_upload

scripts/upload_combined_image.lua

@@ -21,4 +21,4 @@ local fullpath = file_dir .. "/" .. file_to_upload .. ".png";
 
 ngx.log(ngx.INFO, 'UPLOAD COMBINED IMAGE -> fullpath -> ', fullpath)
 
-upyun_upload.upload(fullpath, nil)
+upyun_upload.upload(fullpath, nil, 0)